-9-9=-9-9n

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Solution for -9-9=-9-9n equation:


Simplifying
-9 + -9 = -9 + -9n

Combine like terms: -9 + -9 = -18
-18 = -9 + -9n

Solving
-18 = -9 + -9n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '9n' to each side of the equation.
-18 + 9n = -9 + -9n + 9n

Combine like terms: -9n + 9n = 0
-18 + 9n = -9 + 0
-18 + 9n = -9

Add '18' to each side of the equation.
-18 + 18 + 9n = -9 + 18

Combine like terms: -18 + 18 = 0
0 + 9n = -9 + 18
9n = -9 + 18

Combine like terms: -9 + 18 = 9
9n = 9

Divide each side by '9'.
n = 1

Simplifying
n = 1

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